PSFM Short Volume

Pacer Swan SOS Flex (April) ETF (PSFM) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $24.4M, listed on CBOE, carrying a beta of 0.52 to the broader market. This exchange-traded fund (ETF) is structured to emulate the investment performance of the SPDR S&P 500 ETF Trust (its reference ETF) over an approximate one-year period, prior to accounting for any fees or expenses. public since 2021-04-01.

Short volume measures the number of shares sold short on a given day as reported by FINRA. Tracking short volume relative to total volume helps identify unusual bearish sentiment or short-squeeze potential.

Latest Date
2026-07-16
Short Volume
423
Total Volume
428
Short %
98.83%
30-Day Avg Short %
76.16%

Showing 30 days of FINRA short volume data for Pacer Swan SOS Flex (April) ETF.

Learn how short volume is reported and how to read the data →

Frequently asked PSFM short volume questions

What is the daily PSFM short volume?
As of Jul 16, 2026, Pacer Swan SOS Flex (April) ETF (PSFM) short volume is 423 shares against 428 total reported volume, or 98.83% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
How is PSFM short volume reported?
FINRA publishes the Daily Short Sale Volume File for trades reported to FINRA TRFs and the FINRA/Nasdaq ADF on a T+1 basis. The headline figure is the count of shares that printed at the short-sale or short-exempt tick across all reporting venues for the symbol; each exchange separately publishes its own daily short-sale data file.
What does PSFM short volume tell options traders?
Daily short-sale flow is one input that helps disambiguate dealer-hedging activity from directional bear flow when the chain shows fresh customer call inventory. It is not a clean MM-only proxy: the headline number mixes directional shorting, options-MM delta-hedging, ETF-creation arbitrage, and convertible-arb hedging. Cross-check against gamma-exposure and OI changes for a cleaner read.